Managing Illegal Immigration to the United States: How Effective Is Enforcement? - "The authors examine U.S. efforts to prevent illegal immigration to the United States. Although the United States has witnessed a sharp drop in illegal border crossings in the past decade alongside an enormous increase in government activities to prevent illegal immigration, there remains little understanding of the role enforcement has played. Better data and analyses to assist lawmakers in crafting more successful policies and to support administration officials in implementing these policies are long overdue." - Council on Foreign Relations Press, May 2013.
"The questions for Congress and the Obama administration in the near future ought to be these: What are the goals of border control? How much is enough? How much can we afford? How can the economic costs of tighter border enforcement best be mitigated? How can better legal immigration and temporary work programs help to reduce further the illegal migration problem? Unfortunately, in the current political environment such questions are not being asked. Instead, Congress and the administration continue to be focused on the elusive goal of creating a perfectly secure border through enforcement measures alone." - Edward Alden, Cato Journal, Vol. 32, No. 1 (Winter 2012).